Bug#872881: simgrid: FTBFS: `__atomic_fetch_add_8' undefined

[James Cowgill]

Hi,

The attached patch seems to work (ie replace atomic-library with it).
Using target_link_libraries should put any linker arguments at the end
instead of the beginning.

Thanks,
James

--- a/tools/cmake/MakeLib.cmake
+++ b/tools/cmake/MakeLib.cmake
@@ -114,6 +114,7 @@ if(enable_smpi AND APPLE)
   set(SIMGRID_DEP "${SIMGRID_DEP} -Wl,-U -Wl,_smpi_simulated_main")
 endif()
 
+set(SIMGRID_DEP "${SIMGRID_DEP} -Wl,--as-needed -latomic -Wl,--no-as-needed")
 target_link_libraries(simgrid  ${SIMGRID_DEP})
 
 # Dependencies from maintainer mode

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